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Friday, Oct 31st

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Scientists grow miniature human stomachs from stem cells

Sceintists grow human stomachsScientists have grown miniature human stomachs from stem cells as a way of studying gastric diseases such as ulcers and stomach cancer and in the future creating tissue to repair patients’ stomachs.

The mini-stomachs are grown in petri dishes from stem cells. Fully formed, they are the size of a pea and shaped like a rugby ball. They are hollow with an interior lining that is folded into glands and pits like a real stomach.

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Unmanned NASA-contracted rocket explodes; damage is 'significant'

NASA rocket explodesAn unmanned NASA-contracted rocket exploded early Tuesday evening along the eastern Virginia coast, causing a huge fireball but no apparent deaths.

According to NASA, the Orbital Sciences Corp.'s Antares rocket and Cygnus cargo spacecraft were set to launch at 6:22 p.m. ET from the Wallops Flight Facility along the Atlantic Ocean. It was set to carry some 5,000 pounds of supplies and experiments to the International Space Station.

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Massive sunspot sending violent flares toward Earth

sunspotSunspot region AR2192 on the solar surface is currently both massive and active, scientists with NASA say. So big, in fact, that the sunspot is visible -- with a properly protected eye -- from the Earth's surface.

Though the sunspot is active, regularly shooting out significantly sized solar flares, it has yet produce a coronal mass ejection, the high-energy burst of plasma that can interfere with communication satellites, disrupt electrical grids, and spawn the awe-inspiring polar light shows known as auroras.

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How To Watch That 'Once-In-A-Lifetime' Comet Swing By Mars

Comet fly byA comet will be swinging by Mars this Sunday, and eager astronomers say they're ready for the "once-in a lifetime event."

Comet C/2013 A1, or 'Siding Spring' will make its closest approach to Mars at 2:27 p.m. EDT, coming within 87,000 miles of the red planet's surface . That's 16 times closer than any comet has ever come near Earth and less than half the distance from Earth to the moon.

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NASA Stumbles Upon A Dead Star That's 10 Million Times Brighter Than The Sun

dead star found brighter than our sunThink our sun is bright? NASA says its NuSTAR space-based X-ray telescope has detected a dead star that pumps out as much energy as 10 million suns.

"You might think of this pulsar as the 'Mighty Mouse' of stellar remnants," Dr. Fiona A. Harrison, professor of physics and astronomy at the California Institute of Technology in Pasadena and the principal investigator of the NuSTAR mission, said in a written statement.

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Trio wins Nobel Prize in chemistry for advancing microscope technology

Nobel prize in chemistry 2014Scientists Eric Betzig and William Moerner of the United States and Stefan Hell of Germany won the Nobel Prize in chemistry on Wednesday for developing new methods that let microscopes see finer details than they could before.

The trio was cited for "the development of super-resolved fluorescence microscopy," which the Royal Swedish Academy of Sciences said had bypassed the maximum resolution of traditional optical microscopes.

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Nobel Prize for Physics awarded to inventors of blue LEDs

Shuji NakamuraOver 20 years after their invention, the team of Japanese scientists behind blue colored light-emitting diodes, or LEDs, has been recognized with the Nobel Prize for Physics.

Found in everything from light bulbs to televisions to cellphones, LEDs are typically clustered in trios of red, blue and green. While the invention of red and green LEDs came easy by comparison, blue LEDs, the fundamentally necessary final ingredient to white-emitting energy efficient lights.

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